NATS-101 Make-Believe Quiz
3
FOR M/C SELECT SINGLE
BEST ANSWER AMONG CHOICES
The quiz will cover lecture material from Feb. 16 through
Mar. 2 inclusive (and associated material from text=> pp. 99-133, 135-169,
Fig. 5.8 and 1.9)
1. The process whereby nutrient-rich deep waters rise to
the surface and support a flourishing shallow-water food web along the west
coast of
A. Pacific Decadal Oscillation (PDO) C. El Niño E.
tides
B. . thermohaline circulation D. upwelling F.
Gulf Stream
2. For a given biome, biomass would be .
A. the weight of living organisms C. the weight of dead organisms
B. the number of species D. the number of individuals of
a given species
3. During
the Younger Dryas event, thermohaline circulation may have been shut down by
which of these mechanisms?
A. increased ocean biomass C. input of glacial meltwater
from
B. massive biomass extinction in the N. Atlantic D. accelerated activity of the
inter-tropical convergence zone
4. The chemical composition of ocean water is dominated
by .
A. sodium and chloride C.
argon and carbon dioxide
B. nitrogen and oxygen D.
potassium and nitrate
5. Surface ocean currents are driven by (1)________ and
commonly move in a regular pattern called (2)________.
A. (1) density,
(2) downwelling C.
(1) wind, (2) gyres E.
(1) gravity, (2) tides
B. (1) wind, (2)
horse latitudes D.
(1) density, (2) upwelling
6. At the same temperature, which of these waters would
have the highest density?
A. rain water B.
sea water C. river
water D. distilled
water
7. The densest ocean water in the world is generated .
A. in the
B. near the
8. Which of the following would NOT be associated
with Big El Niño events?
A. warm water along West coast of
B. high rainfall in southwestern
9. The observation that sand heats up in the sun faster
than adjacent water is related to water’s high _______.
A. specific heat C. latent heat E. ability to dissolve
salts, polar & non-polar substances
B. sensible heat D.
total dissolved solids
10. A teleconnection would best be described as which of
the following?
A. conference phone call of global change researchers C.
solicitation of money for global change research
B. long-distance linkage of climate events D. Earth monitoring with satellite telescopes
11. Bees would be an example of .
A. heterotrophs C.
primary producers E.
decomposers
B. primary consumers D.
secondary consumers F.
A & B
12. Explain how eating at the base of the food chain (ie,
eating the plants normally fed to beef and other livestock) would have
advantages for feeding Earth's human population?
13. Why is water such an amazing fluid?
14. What is "thermohaline" circulation, and how
might its disturbance lead to global change?
15. What are biotic and abiotic components of the
Biosphere (more generally, of "biosystems")?
16. What is the inter-tropical convergence zone (ITCZ)? How and why does its position changes
throughout the year? (p. 120, 122-123)
17. Contrast the terrestrial biosphere and the marine
(ocean) biosphere with respect to biomass and productivity.
18. Where around the world might you expect to find substantially
reduced precipitation (drought) associated with El Niño events?